<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页</title>
</head>
<body>

<form action="/doLogin" method="post">
  用户名：<input name="username"></br>
  密码：<input name="password" type="password"></br>
  <input name="url" type="hidden" th:value="${url}">
  <input value="登录" type="submit">
</form>

</body>
</html>